Gosport, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.8 °C (low) to 17.3 °C (high). Annual precipitation averages 1232.2 Millimeters. Gosport is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.6 °C | 2.7 °C | 90.93 mm |
| February | -5.2 °C | 5.3 °C | 69.85 mm |
| March | -0.6 °C | 11.1 °C | 93.47 mm |
| April | 5.3 °C | 17.7 °C | 127.76 mm |
| May | 11.1 °C | 23 °C | 135.13 mm |
| June | 16 °C | 27.6 °C | 138.94 mm |
| July | 17.9 °C | 29.3 °C | 116.33 mm |
| August | 16.7 °C | 28.9 °C | 82.55 mm |
| September | 12.4 °C | 25.7 °C | 97.03 mm |
| October | 5.9 °C | 19.1 °C | 94.23 mm |
| November | 0.4 °C | 11.5 °C | 99.06 mm |
| December | -3.9 °C | 5.2 °C | 86.87 mm |
| Annual | 5.8 °C | 17.3 °C | 1232.15 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |